After his platoon had suffered heavy casualties and three other noncommissioned officers had become casualties, Cpl. York assumed command. Fearlessly leading seven men, he charged with great daring a machine-gun nest which was pouring deadly and incessant fire upon his platoon. In his heroic feat the machine-gun nest was taken, together with four officers and 128 men and several guns.
April 1918 in France, presented by Maj. Gen. Duncan, commanding general 82nd Division
Although many articles and movies depict General Pershing as the one who presented the Medal of Honor to York, telegrams in York's Military Personnel File say his division commander, General Duncan, was the one who presented the Medal to York in France.